"Could a smartphone app give Pakistan the push it needs to be polio-free?" by Shehryar Nabi,, June 20, 2016.

"The Surprising Reason Why Savings Boosts Income: New Research Reveals an Unexpected Benefit of Financial Inclusion," by Vestal McIntyre, writing about "What Are the Headwaters of Formal Savings? Experiemental Evidence from Sir Lanka," by M. Callen, S. De Mel, C. McIntosh and C. Woodruff, CID Working Paper No. 289, December 2014.

"How doorstep banking increased savings and income in Sri Lanka," by M. Callen, S. De Mel, C. McIntosh and C. Woodruff, posted March 30, 2016.

"NexThought Monday: Mobile-izing Savings with Defaults in Afghanistan: How 'Nudges' Can Help Us Save," by Michael Callen, Joshua Blumenstock, Tarek Ghani.  NextBillion blog, November 30, 2015. Voted most influential post of 2015 on the NextBillion blog.

"Could a smartphone app help stop the next polio outbreak in Pakistan?" by Michael Callen, The Conversation, November 12, 2015.  Reprinted at Scroll India and the Express Tribune.

"A new kind of development professional: The development engineer," by Catherine Cheney,devex, September 23, 2015.

Institutional Corruption and Election Fraud: Evidence from a Field Experiment in Afghanistan (with James D. Long),  American Economic Review, 105(1): 354-81.  

  • Reducing Election Fraud in Developing Countries by Doug Gavel, Harvard Kennedy School, (January 6, 2015)
  • White House Innovation in Development Event.  M. Callen and J. Long present their research at the 38 minute mark. (Feb 8, 2012)

  • Slate - The Dismal Science: A Picture of Democracy by Ray Fisman (Oct 21, 2011)
  • The Economist blog: How to Save Votes (Feb 28, 2012)
  • Video Describing the Research at the International Growth Center (Feb 5, 2013)


The Political Economy of Public Employee Absence: Experimental Evidence from Pakistan.

(with with Saad Gulzar, Ali Hasanain, Yasir Khan.) 


Personalities and Public Sector Performance: Evidence from a Health Experiment in Pakistan(with Saad Gulzar, Ali Hasanain, Yasir Khan and Arman Rezaee). 


Do Working Men Rebel? Insurgency and Unemployment in Afghanistan, Iraq, and the Phillippines


What are the Headwaters of Formal Savings? Experimental Evidence from Sri Lanka

(with Suresh De Mel, Craig McIntosh, and Christopher Woodruff), NBER Working Paper No. 20736, December 2014.